}
int StringPool::entry::compare(const entry& o) const {
- // Strings with styles go first, to reduce the size of the
- // styles array.
+ // Strings with styles go first, to reduce the size of the styles array.
+ // We don't care about the relative order of these strings.
if (hasStyles) {
return o.hasStyles ? 0 : -1;
}
if (o.hasStyles) {
return 1;
}
+
+ // Sort unstyled strings by type, then by logical configuration.
int comp = configTypeName.compare(o.configTypeName);
if (comp != 0) {
return comp;
return 0;
}
-StringPool::StringPool(bool sorted, bool utf8)
- : mSorted(sorted), mUTF8(utf8), mValues(-1), mIdents(-1)
-{
-}
-
-ssize_t StringPool::add(const String16& value, bool mergeDuplicates,
- const String8* configTypeName, const ResTable_config* config)
+StringPool::StringPool(bool utf8) :
+ mUTF8(utf8), mValues(-1)
{
- return add(String16(), value, mergeDuplicates, configTypeName, config);
}
ssize_t StringPool::add(const String16& value, const Vector<entry_style_span>& spans,
const String8* configTypeName, const ResTable_config* config)
{
- ssize_t res = add(String16(), value, false, configTypeName, config);
+ ssize_t res = add(value, false, configTypeName, config);
if (res >= 0) {
addStyleSpans(res, spans);
}
return res;
}
-ssize_t StringPool::add(const String16& ident, const String16& value,
+ssize_t StringPool::add(const String16& value,
bool mergeDuplicates, const String8* configTypeName, const ResTable_config* config)
{
- if (ident.size() > 0) {
- ssize_t idx = mIdents.valueFor(ident);
- if (idx >= 0) {
- fprintf(stderr, "ERROR: Duplicate string identifier %s\n",
- String8(mEntries[idx].value).string());
- return UNKNOWN_ERROR;
- }
- }
-
ssize_t vidx = mValues.indexOfKey(value);
ssize_t pos = vidx >= 0 ? mValues.valueAt(vidx) : -1;
ssize_t eidx = pos >= 0 ? mEntryArray.itemAt(pos) : -1;
}
const bool first = vidx < 0;
- if (first || !mergeDuplicates) {
+ const bool styled = (pos >= 0 && (size_t)pos < mEntryStyleArray.size()) ?
+ mEntryStyleArray[pos].spans.size() : 0;
+ if (first || styled || !mergeDuplicates) {
pos = mEntryArray.add(eidx);
if (first) {
vidx = mValues.add(value, pos);
}
- if (!mSorted) {
- entry& ent = mEntries.editItemAt(eidx);
- ent.indices.add(pos);
- }
- }
-
- if (ident.size() > 0) {
- mIdents.add(ident, vidx);
+ entry& ent = mEntries.editItemAt(eidx);
+ ent.indices.add(pos);
}
NOISY(printf("Adding string %s to pool: pos=%d eidx=%d vidx=%d\n",
status_t StringPool::addStyleSpan(size_t idx, const entry_style_span& span)
{
- LOG_ALWAYS_FATAL_IF(mSorted, "Can't use styles with sorted string pools.");
-
// Place blank entries in the span array up to this index.
while (mEntryStyleArray.size() <= idx) {
mEntryStyleArray.add();
return NO_ERROR;
}
-size_t StringPool::size() const
-{
- return mSorted ? mValues.size() : mEntryArray.size();
-}
-
-const StringPool::entry& StringPool::entryAt(size_t idx) const
-{
- if (!mSorted) {
- return mEntries[mEntryArray[idx]];
- } else {
- return mEntries[mEntryArray[mValues.valueAt(idx)]];
- }
-}
-
-size_t StringPool::countIdentifiers() const
-{
- return mIdents.size();
-}
-
-int StringPool::config_sort(const size_t* lhs, const size_t* rhs, void* state)
+#ifdef __GLIBC__
+int StringPool::config_sort(const void* lhs, const void* rhs, void* state)
+#else
+int StringPool::config_sort(void* state, const void* lhs, const void* rhs)
+#endif
{
StringPool* pool = (StringPool*)state;
- const entry& lhe = pool->mEntries[pool->mEntryArray[*lhs]];
- const entry& rhe = pool->mEntries[pool->mEntryArray[*rhs]];
+ const entry& lhe = pool->mEntries[pool->mEntryArray[*static_cast<const size_t*>(lhs)]];
+ const entry& rhe = pool->mEntries[pool->mEntryArray[*static_cast<const size_t*>(rhs)]];
return lhe.compare(rhe);
}
void StringPool::sortByConfig()
{
- LOG_ALWAYS_FATAL_IF(mSorted, "Can't sort string pool containing identifiers.");
- LOG_ALWAYS_FATAL_IF(mIdents.size() > 0, "Can't sort string pool containing identifiers.");
LOG_ALWAYS_FATAL_IF(mOriginalPosToNewPos.size() > 0, "Can't sort string pool after already sorted.");
const size_t N = mEntryArray.size();
// At that point it maps from the new position in the array to the
// original position the entry appeared.
Vector<size_t> newPosToOriginalPos;
- for (size_t i=0; i<mEntryArray.size(); i++) {
+ newPosToOriginalPos.setCapacity(N);
+ for (size_t i=0; i < N; i++) {
newPosToOriginalPos.add(i);
}
// Sort the array.
NOISY(printf("SORTING STRINGS BY CONFIGURATION...\n"));
- newPosToOriginalPos.sort(config_sort, this);
+ // Vector::sort uses insertion sort, which is very slow for this data set.
+ // Use quicksort instead because we don't need a stable sort here.
+ // For more fun, GLibC took qsort_r from BSD but then decided to swap the
+ // order the last two parameters.
+#ifdef __GLIBC__
+ qsort_r(newPosToOriginalPos.editArray(), N, sizeof(size_t), config_sort, this);
+#else
+ qsort_r(newPosToOriginalPos.editArray(), N, sizeof(size_t), this, config_sort);
+#endif
+ //newPosToOriginalPos.sort(config_sort, this);
NOISY(printf("DONE SORTING STRINGS BY CONFIGURATION.\n"));
// Create the reverse mapping from the original position in the array
}
}
- const size_t ENTRIES = size();
+ const size_t ENTRIES = mEntryArray.size();
// Now build the pool of unique strings.
header->header.size = htodl(pool->getSize());
header->stringCount = htodl(ENTRIES);
header->styleCount = htodl(STYLES);
- if (mSorted) {
- header->flags |= htodl(ResStringPool_header::SORTED_FLAG);
- }
if (mUTF8) {
header->flags |= htodl(ResStringPool_header::UTF8_FLAG);
}
// Write string index array.
uint32_t* index = (uint32_t*)(header+1);
- if (mSorted) {
- for (i=0; i<ENTRIES; i++) {
- entry& ent = const_cast<entry&>(entryAt(i));
- ent.indices.clear();
- ent.indices.add(i);
- *index++ = htodl(ent.offset);
- }
- } else {
- for (i=0; i<ENTRIES; i++) {
- entry& ent = mEntries.editItemAt(mEntryArray[i]);
- *index++ = htodl(ent.offset);
- NOISY(printf("Writing entry #%d: \"%s\" ent=%d off=%d\n", i,
- String8(ent.value).string(),
- mEntryArray[i], ent.offset));
- }
+ for (i=0; i<ENTRIES; i++) {
+ entry& ent = mEntries.editItemAt(mEntryArray[i]);
+ *index++ = htodl(ent.offset);
+ NOISY(printf("Writing entry #%d: \"%s\" ent=%d off=%d\n", i,
+ String8(ent.value).string(),
+ mEntryArray[i], ent.offset));
}
// Write style index array.
- if (mSorted) {
- for (i=0; i<STYLES; i++) {
- LOG_ALWAYS_FATAL("Shouldn't be here!");
- }
- } else {
- for (i=0; i<STYLES; i++) {
- *index++ = htodl(mEntryStyleArray[i].offset);
- }
+ for (i=0; i<STYLES; i++) {
+ *index++ = htodl(mEntryStyleArray[i].offset);
}
return NO_ERROR;